Audio and Electroacoustics Design & Consulting Services Welcome to our new website! Download the latest Lab Notes Newsletter here.  Find out more About Us, and our Products & Services to see how we can help you realize your vision.

CJS Labs is a consulting firm based in San Francisco, California. We specialize in audio and electroacoustics applications. With over 24 years of industry experience in engineering and technology management, areas of expertise include transducers, acoustics, system design, instrumentation, measurement and analysis techniques, hearing science, telephonometry, speech intelligibility, and perceptual coding. We also offer project management, technology strategy, and training services.